Can anyone suggest a web page that can help me identify clause types and its constituents. I have an online parser but am finding it hard idenifying where clasues start and finish..

The parse website is http://www.link.cs.cmu.edu/link/submit-sentence-4.html

thanks in advance
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the only Elephant already dead when the forest department located him

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Pick out subordinate clause in this sentence

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"The cuckoo comes when the winter is over" pick out the subordinate Clause in this sentence